Make 1-8 key pressing to work in Base Info screen.
adjust snakeman sprite a little

puts the weapons in the hands
adjust muton sprites
always cache units when they lower their weapon
reduce overhead in unitSprite by caching common functions
always load as many weapons as possible
always load as many weapons as possible
Merge pull request #834 from winterheart/bases-info-buttons

Make 1-8 key pressing to work in Base Info screen.
Merge branch 'master' of https://github.com/SupSuper/OpenXcom
ctrl + L to lock to mouse
english revision